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Please use the information given regarding molybdic acid. Molybdic acid is diprotic acid with the formula, H2MoO4. The values of Ka1 and Ka2 are approximately 6.3 X 10^-5 and 6.3 X 10 ^-9. Calculate the approximate pH of a 0.750M H2MoO4 solution.
what plot would you construct to determine the rate constant k for this reaction. C) what would be the half-life for this reaction. will it depend on the initial concentration of reactant
Gaseous HBr has an absorption band centered at about 2645 cm-1 consisting of a series of lines approximately equally spaced with an interval of 16.9cm-1.
Calculate how many molecules of C 2 H 6 S (ethyl mercaptan )are contained in 1.0 micro liter sample if the given density = 0.84 g/mL
consider a molecule with spacing between two energy levels of 0.250 kj mol-1. calculate the wavelength and wavenumber
consider the following unbalanced reaction.p4s f2g pf3gwhat mass of f2 is needed to produce 113 g of pf3 if the
What is the concentration of Br- (aq) in a solution prepared by mixing 75.0ml of 0.62M iron (III) bromide with 75.0ml of water? Assume volumes are additive.
MnSO4 is converted to MnO2 in a basic medium as oxygen gas is converted to hyroxide ion. In this case, is the sulfate ion a spectator ion. (NaOH is also present. Is sodium ion also a spectator ion) A. Print the oxidation half-equation B
Small helium-neon lasers emit 2.94 mJ/s of light at 634 nm. How many photons does such a laser emit in one minute?
What volume of .100 M NaCl is needed to react completely with 5.00mL of .200 M Pb(NO3)2.
Sulfur-38 has an atomic mass of 38.0 and a half-life of 2.87 hours. How long will it take for 99.99% of a sample of sulfur-38 to decay.
What is the substance being oxidized?
Identify the limiting reagent for the given combination of reactants. Calculate how many grams of whatever substance will be in excess and how many grams of HF will be made.
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